send.asm

单片机原理与应用实例教程 单片机原理与应用实例教程

		ORG		0000H
		LJMP	MAIN
		ORG		0013H
		LJMP	INT_1
		ORG		0023H
		LJMP	INT_RI

		ORG		4100H
MAIN:	MOV TMOD, #20H
		MOV TH1, #0E8H
		MOV TL1, #0E8H
		MOV PCON, #0H

		MOV SCON, #50H
		
		SETB ES
		SETB IT1
		SETB EX1
		SETB TR1
		SETB EA
		
				
		
LOOP:	AJMP LOOP

INT_1:	MOV SBUF, P1
		RETI

INT_RI:	CLR TI
		RETI

		END